Function save_dendrogram_plot 

pub fn save_dendrogram_plot<P: AsRef<Path>>(
    linkage_matrix: ArrayView2<'_, f64>,
    labels: Option<&[String]>,
    output_path: P,
    dendrogram_config: Option<&DendrogramConfig<f64>>,
    output_config: Option<&PlotOutput>,
) -> Result<()>

High-level function to create and save a dendrogram plot